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      Hepatic Parasitic Abscess Caused by Clonorchiasis: Unusual CT Findings of Clonorchiasis

      case-report

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          Abstract

          Clonorchiasis is caused by a chronic infestation of liver flukes, Clonorchis sinensis, and these reside mainly in the medium- and small-sized intrahepatic bile ducts. Therefore, diffuse, uniform, minimal or mild dilatation of these bile ducts, particularly in the periphery, without dilatation of the extrahepatic bile duct is the typical finding on several imaging modalities. We report here on the CT findings of an unusual case of hepatic parasitic abscess that was caused by clonorchiasis; this malady mimicked cholangiocarcinoma, and there was no dilatation of the intrahepatic bile ducts.

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          The current pathobiology and chemotherapy of clonorchiasis.

          This special issue is devoted to a review of the current state of knowledge of clonorchiasis. Sections deal with: the biology of Clonorchis sinensis; geographical distribution, with particular regard to Korea; epidemiology; pathogenesis; clinical features; diagnosis; prevention and control; chemotherapy.
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            Differentiation Between Mass-forming Type Peripheral Cholangiocarcinoma and Hepatic Abscesses: Application of Artificial Neural Networks to CT Images

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              MR Imaging Findings of Clonorchiasis

              Objective The purpose of this study was to evaluate the MR spectrum and MR cholangiographic imaging findings of clonorchiasis. Materials and Methods We reviewed 26 patients with confirmed clonorchiasis by either stool tests (n=24) or surgery (n=2). MR imaging was performed on a 1.5 T system (GE Medical Systems, Milwaukee, WI) with a torso coil. Axial T1- and T2-weighted, gadolinium-enhanced dynamic images and MR cholangiography were obtained. Image analyses were used to identify abnormalities of the intrahepatic and extrahepatic bile ducts and the presence of hepatobiliary malignancy. All MR examinations were reviewed by the consensus of two abdominal radiologists. Results Intrahepatic bile duct abnormalities were seen in 23 (89%) of the 26 patients. The most common finding was mild dilatation of the intrahepatic bile duct which was found in 21 (81%). "Too many intrahepatic ducts" were found in 16(62%), wall enhancement and thickening in 21 (81%) and filling defects and ductal stricture in the intrahepatic bile duct in 6 (24%) and 3 (12%) patients, respectively. Extrahepatic ductal dilation was found in 5 (19%) and 9 (35%) revealed hepatobiliary malignancy. Conclusion MR imaging revealed various findings of clonorchiasis, including dilatation, wall enhancement, stricture of the intrahepatic ducts and filling defect within the intrahepatic bile duct.
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                Author and article information

                Journal
                Korean J Radiol
                KJR
                Korean Journal of Radiology
                The Korean Radiological Society
                1229-6929
                2005-8330
                Jan-Feb 2007
                20 February 2007
                : 8
                : 1
                : 70-73
                Affiliations
                [1 ]Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 138-736, Korea.
                [2 ]Department of Pathology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 138-736, Korea.
                Author notes
                Address reprint requests to: Jae Ho Byun, MD, Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, 388-1 Pungnap-2dong, Songpa-gu, Seoul 138-736, Korea. Tel. (822) 3010-4400, Fax. (822) 476-4719, jhbyun@ 123456amc.seoul.kr
                Article
                10.3348/kjr.2007.8.1.70
                2626702
                17277566
                fdf3a559-444d-46c0-8af3-cffc842266e5
                Copyright © 2007 The Korean Radiological Society

                This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 19 November 2005
                : 11 January 2006
                Categories
                Case Report

                Radiology & Imaging
                bile ducts,computed tomography (ct),clonorchiasis,diseases
                Radiology & Imaging
                bile ducts, computed tomography (ct), clonorchiasis, diseases

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